Induction of alkaline phosphatase activity in hela cells: Inhibition by xanthine derivatives and thermostability studies
β Scribed by Walker Wharton; Barry Goz
- Book ID
- 115774615
- Publisher
- Elsevier Science
- Year
- 1979
- Tongue
- English
- Weight
- 639 KB
- Volume
- 28
- Category
- Article
- ISSN
- 0006-2952
No coin nor oath required. For personal study only.
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## Abstract The three xanthine derivatives, caffeine, theophylline and 3βisobutylβ1βmethylβxanthine (IBMX) produced doseβdependent increases in cyclic AMP concentrations in HeLa cells after long term treatment. Only IBMX produced increases over the first 60 minutes, with a peak of approximately 5βf
## Abstract Nonβlethal concentrations of bromodeoxyuridine induce a 2β to 5βfold increase in the specific activity of alkaline phosphatase in HeLa subclone, S3G. Experiments employing 10βhour pulses of BRdU showed that 48 hours were required before induction commenced, and that maximal induction wa